{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,2]],"date-time":"2026-04-02T16:53:07Z","timestamp":1775148787672,"version":"3.50.1"},"reference-count":50,"publisher":"American Spinal Injury Association","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2024,1]]},"abstract":"\n Background:<\/jats:title>\n Patients with spinal cord injury (SCI) are at increased risk of renal insufficiency, so their renal function must regularly be monitored. Glomerular filtration rate (GFR) assessment is challenging as it requires measuring clearance of exogenous markers, which is impractical in most clinical settings. Thus, equations have been formulated to estimate GFR that utilize serum creatinine (Cr) or cystatin C (CysC).<\/jats:p>\n <\/jats:sec>\n \n Objectives:<\/jats:title>\n Given loss of muscle mass after SCI, we hypothesized equations using CysC would be more accurate than those using Cr after SCI.<\/jats:p>\n <\/jats:sec>\n \n Methods:<\/jats:title>\n \n Fifty-eight persons (51 male\/7 female; age 22-87 years) with SCI level C2-L1\/AIS A-D were enrolled. Serum CysC and Cr, 24-hour urine creatinine (24hrUCr) and 24-hour urine urea (24hrUurea) were collected. Average of the 24hrUCr clearance and 24hrUurea clearance was calculated (AvgCl\n CrUr<\/jats:sub>\n ). Six GFR estimating equations were compared to AvgCl\n CrUr<\/jats:sub>\n . For each equation, mean bias (AvgCl\n CrUr<\/jats:sub>\n \u2013 eGFR) was calculated followed by the Pearson correlation calculation between AvgCl\n CrUr<\/jats:sub>\n and eGFR. In addition, the percentage of estimated values within 15%, 30%, and 50% of AvgCl\n CrUr<\/jats:sub>\n values are reported for each estimating equation.\n <\/jats:p>\n <\/jats:sec>\n \n Results:<\/jats:title>\n \n 2012 CKD-EPI CysC equation (bias 9.32 mg\/dL, 95% CI, \u22121.23 to \u221217.41) was the most accurate predictor of GFR. This model accurately predicted GFR of 81%, 57%, and 33% within \u00b150%, \u00b130%, and \u00b115% of the AvgCl\n CrUr<\/jats:sub>\n , respectively.\n Conclusion<\/jats:bold>\n : In persons with SCI, the CKD-EPI 2012 CysC equation, which uses cystatin C rather than creatinine, is the most accurate of the six equations tested in estimating GFR in persons with SCI.\n <\/jats:p>\n <\/jats:sec>","DOI":"10.46292\/sci24-00001","type":"journal-article","created":{"date-parts":[[2024,11,27]],"date-time":"2024-11-27T12:25:34Z","timestamp":1732710334000},"page":"57-65","source":"Crossref","is-referenced-by-count":1,"title":["Comparing the Accuracy of Standard Equations to Predict Glomerular Filtration Rate for Persons with Spinal Cord Injury: Which Is the \u201cBest Fit?\u201d"],"prefix":"10.46292","volume":"30","author":[{"given":"Nicholas","family":"Brown","sequence":"first","affiliation":[{"name":"University of Texas Health Science Center, San Antonio, Texas"},{"name":"South Texas Veteran's Health Care System, San Antonio, Texas"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kathryn","family":"Struck","sequence":"additional","affiliation":[{"name":"University of Texas Health Science Center, San Antonio, Texas"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Terry","family":"Romo","sequence":"additional","affiliation":[{"name":"University of Texas Health Science Center, San Antonio, Texas"},{"name":"South Texas Veteran's Health Care System, San Antonio, Texas"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wouter","family":"Koek","sequence":"additional","affiliation":[{"name":"Department of Cell Systems and Anatomy, University of Texas Health Science Center, San Antonio"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ashley","family":"Everett Garcia","sequence":"additional","affiliation":[{"name":"University of Texas Health Science Center, San Antonio, Texas"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mark","family":"Fredrickson","sequence":"additional","affiliation":[{"name":"University of Texas Health Science Center, San Antonio, Texas"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michelle","family":"Trbovich","sequence":"additional","affiliation":[{"name":"University of Texas Health Science Center, San Antonio, Texas"},{"name":"South Texas Veteran's Health Care System, San Antonio, Texas"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"25425","reference":[{"issue":"4","key":"b1","series-title":"Spinal Cord","first-page":"266","article-title":"Long-term survival in spinal cord injury: A fifty year investigation","volume":"36","author":"Frankel\n HL","year":"1998","unstructured":"Frankel\n HL\n , CollJR, CharlifueSW, et al.\n Long-term survival in spinal cord injury: A fifty year investigation. Spinal Cord. 1998;36(4):266-274."},{"issue":"4","key":"b2","series-title":"Arch Phys Med Rehabil","first-page":"634","article-title":"Cause of Death trends among persons with spinal cord injury in the United States: 1960-2017","volume":"103","author":"DeVivo\n MJ","year":"2022","unstructured":"DeVivo\n MJ\n , ChenY, WenH. Cause of Death trends among persons with spinal cord injury in the United States: 1960-2017. Arch Phys Med Rehabil. 2022;103(4):634-641."},{"issue":"11","key":"b3","series-title":"Clin Chem Lab Med","first-page":"1295","article-title":"Renal function--estimation of glomerular filtration rate","volume":"44","author":"Thomas\n L","year":"2006","unstructured":"Thomas\n L\n , HuberAR. Renal function--estimation of glomerular filtration rate. Clin Chem Lab Med. 2006;44(11):1295-1302."},{"issue":"5","key":"b4","series-title":"Urology","first-page":"583","article-title":"Blood urea nitrogen and serum creatinine. Physiology and interpretations","volume":"5","author":"Baum\n N","year":"1975","unstructured":"Baum\n N\n , DichosoCC, CarltonCE. Blood urea nitrogen and serum creatinine. Physiology and interpretations. Urology. 1975;5(5):583-588."},{"issue":"2","key":"b5","series-title":"Indian J Orthop","first-page":"168","article-title":"Longitudinal study of body composition in spinal cord injury patients","volume":"48","author":"Singh\n R","year":"2014","unstructured":"Singh\n R\n , RohillaRK, SainiG, KaurK. Longitudinal study of body composition in spinal cord injury patients. Indian J Orthop. 2014;48(2):168-177."},{"issue":"4","key":"b6","series-title":"Arch Phys Med Rehabil","first-page":"524","article-title":"Role of creatinine clearance as a screening test in persons with spinal cord injury","volume":"87","author":"Sepahpanah\n F","year":"2006","unstructured":"Sepahpanah\n F\n , BurnsSP, McKnightB, YangCC. Role of creatinine clearance as a screening test in persons with spinal cord injury. Arch Phys Med Rehabil. 2006;87(4):524-528."},{"issue":"4","key":"b7","series-title":"Clin Chem Lab Med","first-page":"389","article-title":"Serum cystatin C as an endogenous marker of the renal function--a review","volume":"37","author":"Randers\n E","year":"1999","unstructured":"Randers\n E\n , ErlandsenEJ. Serum cystatin C as an endogenous marker of the renal function--a review. Clin Chem Lab Med. 1999;37(4):389-395."},{"issue":"3","key":"b8","series-title":"Curr Opin Nephrol Hypertens","first-page":"295","article-title":"Cystatin C as a biomarker for estimating glomerular filtration rate","volume":"24","author":"Ferguson\n TW","year":"2015","unstructured":"Ferguson\n TW\n , KomendaP, TangriN. Cystatin C as a biomarker for estimating glomerular filtration rate. Curr Opin Nephrol Hypertens. 2015;24(3):295-300."},{"issue":"1","key":"b9","series-title":"Clin Biochem","first-page":"1","article-title":"Cystatin C as a marker of GFR--history, indications, and future research","volume":"38","author":"Filler\n G","year":"2005","unstructured":"Filler\n G\n , BokenkampA, HofmannW, Le BriconT, Martinez-BruC, GrubbA. Cystatin C as a marker of GFR--history, indications, and future research. Clin Biochem. 2005;38(1):1-8."},{"issue":"10","key":"b10","series-title":"Spinal Cord","first-page":"778","article-title":"Estimating the glomerular filtration rate using serum cystatin C levels in patients with spinal cord injuries","volume":"50","author":"Erlandsen\n EJ","year":"2012","unstructured":"Erlandsen\n EJ\n , HansenRM, RandersE, PetersenLE, AbrahamsenJ, JohannesenIL. Estimating the glomerular filtration rate using serum cystatin C levels in patients with spinal cord injuries. Spinal Cord. 2012;50(10):778-783."},{"issue":"Pt 4","key":"b11","series-title":"Ann Clin Biochem","first-page":"364","article-title":"Cystatin C for estimation of glomerular filtration rate in patients with spinal cord injury","volume":"40","author":"Jenkins\n MA","year":"2003","unstructured":"Jenkins\n MA\n , BrownDJ, IerinoFL, RatnaikeSI. Cystatin C for estimation of glomerular filtration rate in patients with spinal cord injury. Ann Clin Biochem. 2003;40(Pt 4):364-368."},{"issue":"2","key":"b12","series-title":"Scand J Clin Lab Invest","first-page":"162","article-title":"Cystatin C-based equations for estimating glomerular filtration rate do not require race or sex coefficients","volume":"82","author":"Ottosson Frost\n C","year":"2022","unstructured":"Ottosson Frost\n C\n , Gille-JohnsonP, BlomstrandE, St-AubinV, LeionF, GrubbA. Cystatin C-based equations for estimating glomerular filtration rate do not require race or sex coefficients. Scand J Clin Lab Invest. 2022;82(2):162-166."},{"issue":"4","key":"b13","series-title":"N Engl J Med","first-page":"333","article-title":"Cystatin C-based equation to estimate GFR without the inclusion of race and sex","volume":"388","author":"Pottel\n H","year":"2023","unstructured":"Pottel\n H\n , BjorkJ, RuleAD, et al.\n Cystatin C-based equation to estimate GFR without the inclusion of race and sex. N Engl J Med. 2023;388(4):333-343."},{"issue":"19","key":"b14","series-title":"N Engl J Med","first-page":"1737","article-title":"New creatinine- and cystatin C-based equations to estimate GFR without race","volume":"385","author":"Inker\n LA","year":"2021","unstructured":"Inker\n LA\n , EneanyaND, CoreshJ, et al.\n New creatinine- and cystatin C-based equations to estimate GFR without race. N Engl J Med. 2021;385(19):1737-1749."},{"issue":"2","key":"b15","series-title":"Top Spinal Cord Inj Rehabil","first-page":"1","article-title":"International Standards for Neurological Classification of Spinal Cord Injury: Revised 2019","volume":"27","author":"Rupp\n R","year":"2021","unstructured":"Rupp\n R\n , Biering-SorensenF, BurnsSP, et al.\n International Standards for Neurological Classification of Spinal Cord Injury: Revised 2019. Top Spinal Cord Inj Rehabil. 2021;27(2):1-22."},{"issue":"9","key":"b16","series-title":"BJU Int","first-page":"1014","article-title":"Monitoring of renal function in patients with spinal cord injury","volume":"85","author":"MacDiarmid\n SA","year":"2000","unstructured":"MacDiarmid\n SA\n , McIntyreWJ, AnthonyA, BaileyRR, TurnerJG, ArnoldEP. Monitoring of renal function in patients with spinal cord injury. BJU Int. 2000;85(9):1014-1018."},{"issue":"2","key":"b17","series-title":"Am J Med Sci","first-page":"108","article-title":"Performance of simplified modification of diet in renal disease and Cockcroft-Gault equations in patients with chronic spinal cord injury and chronic kidney disease","volume":"339","author":"Chikkalingaiah\n KB","year":"2010","unstructured":"Chikkalingaiah\n KB\n , GrantND, MangoldTM, CookeCR, WallBM. Performance of simplified modification of diet in renal disease and Cockcroft-Gault equations in patients with chronic spinal cord injury and chronic kidney disease. Am J Med Sci. 2010;339(2):108-116."},{"issue":"4","key":"b18","series-title":"Scand J Clin Lab Invest","first-page":"439","article-title":"Creatininium reference intervals for corrected methods","volume":"64","author":"Martensson\n A","year":"2004","unstructured":"Martensson\n A\n , RustadP, LundH, OssowickiH. Creatininium reference intervals for corrected methods. Scand J Clin Lab Invest. 2004;64(4):439-441."},{"issue":"6","key":"b19","series-title":"Ann Intern Med","first-page":"461","article-title":"A more accurate method to estimate glomerular filtration rate from serum creatinine: A new prediction equation. Modification of diet in Renal Disease Study Group","volume":"130","author":"Levey\n AS","year":"1999","unstructured":"Levey\n AS\n , BoschJP, LewisJB, GreeneT, RogersN, RothD. A more accurate method to estimate glomerular filtration rate from serum creatinine: A new prediction equation. Modification of diet in Renal Disease Study Group. Ann Intern Med. 1999;130(6):461-470."},{"issue":"9","key":"b20","series-title":"Ann Intern Med","first-page":"604","article-title":"A new equation to estimate glomerular filtration rate","volume":"150","author":"Levey\n AS","year":"2009","unstructured":"Levey\n AS\n , StevensLA, SchmidCH, et al.\n A new equation to estimate glomerular filtration rate. Ann Intern Med. 2009;150(9):604-612."},{"issue":"1","key":"b21","series-title":"N Engl J Med","first-page":"20","article-title":"Estimating glomerular filtration rate from serum creatinine and cystatin C","volume":"367","author":"Inker\n LA","year":"2012","unstructured":"Inker\n LA\n , SchmidCH, TighiouartH, et al.\n Estimating glomerular filtration rate from serum creatinine and cystatin C. N Engl J Med. 2012;367(1):20-29."},{"issue":"5","key":"b22","series-title":"Spinal Cord","first-page":"368","article-title":"50 years follow-up on plasma creatinine levels after spinal cord injury","volume":"52","author":"Elmelund\n M","year":"2014","unstructured":"Elmelund\n M\n , OturaiPS, Biering-SorensenF. 50 years follow-up on plasma creatinine levels after spinal cord injury. Spinal Cord. 2014;52(5):368-372."},{"issue":"10","key":"b23","series-title":"Spinal Cord","first-page":"524","article-title":"Serum cystatin C as a marker of the renal function in patients with spinal cord injury","volume":"40","author":"Thomassen\n SA","year":"2002","unstructured":"Thomassen\n SA\n , JohannesenIL, ErlandsenEJ, AbrahamsenJ, RandersE. Serum cystatin C as a marker of the renal function in patients with spinal cord injury. Spinal Cord. 2002;40(10):524-528."},{"issue":"12","key":"b24","series-title":"Spinal Cord","first-page":"1158","article-title":"Evaluation of methods to estimate glomerular filtration rate versus actual drug clearance in patients with chronic spinal cord injury","volume":"49","author":"Lee\n JP","year":"2011","unstructured":"Lee\n JP\n , DangAT. Evaluation of methods to estimate glomerular filtration rate versus actual drug clearance in patients with chronic spinal cord injury. Spinal Cord. 2011;49(12):1158-1163."},{"issue":"5","key":"b25","series-title":"Spinal Cord","first-page":"447","article-title":"Evaluating estimated glomerular filtration rates of creatinine and cystatin C for male patients with chronic spinal cord injury","volume":"56","author":"Goto\n T","year":"2018","unstructured":"Goto\n T\n , KawasakiY, TakemotoJ, AbeY, NamimaT. Evaluating estimated glomerular filtration rates of creatinine and cystatin C for male patients with chronic spinal cord injury. Spinal Cord. 2018;56(5):447-452."},{"issue":"4","key":"b1","series-title":"Spinal Cord","first-page":"266","article-title":"Long-term survival in spinal cord injury: A fifty year investigation","volume":"36","author":"Frankel\n HL","year":"1998","unstructured":"Frankel\n HL\n , CollJR, CharlifueSW, et al.\n Long-term survival in spinal cord injury: A fifty year investigation. Spinal Cord. 1998;36(4):266-274."},{"issue":"4","key":"b2","series-title":"Arch Phys Med Rehabil","first-page":"634","article-title":"Cause of Death trends among persons with spinal cord injury in the United States: 1960-2017","volume":"103","author":"DeVivo\n MJ","year":"2022","unstructured":"DeVivo\n MJ\n , ChenY, WenH. Cause of Death trends among persons with spinal cord injury in the United States: 1960-2017. Arch Phys Med Rehabil. 2022;103(4):634-641."},{"issue":"11","key":"b3","series-title":"Clin Chem Lab Med","first-page":"1295","article-title":"Renal function--estimation of glomerular filtration rate","volume":"44","author":"Thomas\n L","year":"2006","unstructured":"Thomas\n L\n , HuberAR. Renal function--estimation of glomerular filtration rate. Clin Chem Lab Med. 2006;44(11):1295-1302."},{"issue":"5","key":"b4","series-title":"Urology","first-page":"583","article-title":"Blood urea nitrogen and serum creatinine. Physiology and interpretations","volume":"5","author":"Baum\n N","year":"1975","unstructured":"Baum\n N\n , DichosoCC, CarltonCE. Blood urea nitrogen and serum creatinine. Physiology and interpretations. Urology. 1975;5(5):583-588."},{"issue":"2","key":"b5","series-title":"Indian J Orthop","first-page":"168","article-title":"Longitudinal study of body composition in spinal cord injury patients","volume":"48","author":"Singh\n R","year":"2014","unstructured":"Singh\n R\n , RohillaRK, SainiG, KaurK. Longitudinal study of body composition in spinal cord injury patients. Indian J Orthop. 2014;48(2):168-177."},{"issue":"4","key":"b6","series-title":"Arch Phys Med Rehabil","first-page":"524","article-title":"Role of creatinine clearance as a screening test in persons with spinal cord injury","volume":"87","author":"Sepahpanah\n F","year":"2006","unstructured":"Sepahpanah\n F\n , BurnsSP, McKnightB, YangCC. Role of creatinine clearance as a screening test in persons with spinal cord injury. Arch Phys Med Rehabil. 2006;87(4):524-528."},{"issue":"4","key":"b7","series-title":"Clin Chem Lab Med","first-page":"389","article-title":"Serum cystatin C as an endogenous marker of the renal function--a review","volume":"37","author":"Randers\n E","year":"1999","unstructured":"Randers\n E\n , ErlandsenEJ. Serum cystatin C as an endogenous marker of the renal function--a review. Clin Chem Lab Med. 1999;37(4):389-395."},{"issue":"3","key":"b8","series-title":"Curr Opin Nephrol Hypertens","first-page":"295","article-title":"Cystatin C as a biomarker for estimating glomerular filtration rate","volume":"24","author":"Ferguson\n TW","year":"2015","unstructured":"Ferguson\n TW\n , KomendaP, TangriN. Cystatin C as a biomarker for estimating glomerular filtration rate. Curr Opin Nephrol Hypertens. 2015;24(3):295-300."},{"issue":"1","key":"b9","series-title":"Clin Biochem","first-page":"1","article-title":"Cystatin C as a marker of GFR--history, indications, and future research","volume":"38","author":"Filler\n G","year":"2005","unstructured":"Filler\n G\n , BokenkampA, HofmannW, Le BriconT, Martinez-BruC, GrubbA. Cystatin C as a marker of GFR--history, indications, and future research. Clin Biochem. 2005;38(1):1-8."},{"issue":"10","key":"b10","series-title":"Spinal Cord","first-page":"778","article-title":"Estimating the glomerular filtration rate using serum cystatin C levels in patients with spinal cord injuries","volume":"50","author":"Erlandsen\n EJ","year":"2012","unstructured":"Erlandsen\n EJ\n , HansenRM, RandersE, PetersenLE, AbrahamsenJ, JohannesenIL. Estimating the glomerular filtration rate using serum cystatin C levels in patients with spinal cord injuries. Spinal Cord. 2012;50(10):778-783."},{"issue":"Pt 4","key":"b11","series-title":"Ann Clin Biochem","first-page":"364","article-title":"Cystatin C for estimation of glomerular filtration rate in patients with spinal cord injury","volume":"40","author":"Jenkins\n MA","year":"2003","unstructured":"Jenkins\n MA\n , BrownDJ, IerinoFL, RatnaikeSI. Cystatin C for estimation of glomerular filtration rate in patients with spinal cord injury. Ann Clin Biochem. 2003;40(Pt 4):364-368."},{"issue":"2","key":"b12","series-title":"Scand J Clin Lab Invest","first-page":"162","article-title":"Cystatin C-based equations for estimating glomerular filtration rate do not require race or sex coefficients","volume":"82","author":"Ottosson Frost\n C","year":"2022","unstructured":"Ottosson Frost\n C\n , Gille-JohnsonP, BlomstrandE, St-AubinV, LeionF, GrubbA. Cystatin C-based equations for estimating glomerular filtration rate do not require race or sex coefficients. Scand J Clin Lab Invest. 2022;82(2):162-166."},{"issue":"4","key":"b13","series-title":"N Engl J Med","first-page":"333","article-title":"Cystatin C-based equation to estimate GFR without the inclusion of race and sex","volume":"388","author":"Pottel\n H","year":"2023","unstructured":"Pottel\n H\n , BjorkJ, RuleAD, et al.\n Cystatin C-based equation to estimate GFR without the inclusion of race and sex. N Engl J Med. 2023;388(4):333-343."},{"issue":"19","key":"b14","series-title":"N Engl J Med","first-page":"1737","article-title":"New creatinine- and cystatin C-based equations to estimate GFR without race","volume":"385","author":"Inker\n LA","year":"2021","unstructured":"Inker\n LA\n , EneanyaND, CoreshJ, et al.\n New creatinine- and cystatin C-based equations to estimate GFR without race. N Engl J Med. 2021;385(19):1737-1749."},{"issue":"2","key":"b15","series-title":"Top Spinal Cord Inj Rehabil","first-page":"1","article-title":"International Standards for Neurological Classification of Spinal Cord Injury: Revised 2019","volume":"27","author":"Rupp\n R","year":"2021","unstructured":"Rupp\n R\n , Biering-SorensenF, BurnsSP, et al.\n International Standards for Neurological Classification of Spinal Cord Injury: Revised 2019. Top Spinal Cord Inj Rehabil. 2021;27(2):1-22."},{"issue":"9","key":"b16","series-title":"BJU Int","first-page":"1014","article-title":"Monitoring of renal function in patients with spinal cord injury","volume":"85","author":"MacDiarmid\n SA","year":"2000","unstructured":"MacDiarmid\n SA\n , McIntyreWJ, AnthonyA, BaileyRR, TurnerJG, ArnoldEP. Monitoring of renal function in patients with spinal cord injury. BJU Int. 2000;85(9):1014-1018."},{"issue":"2","key":"b17","series-title":"Am J Med Sci","first-page":"108","article-title":"Performance of simplified modification of diet in renal disease and Cockcroft-Gault equations in patients with chronic spinal cord injury and chronic kidney disease","volume":"339","author":"Chikkalingaiah\n KB","year":"2010","unstructured":"Chikkalingaiah\n KB\n , GrantND, MangoldTM, CookeCR, WallBM. Performance of simplified modification of diet in renal disease and Cockcroft-Gault equations in patients with chronic spinal cord injury and chronic kidney disease. Am J Med Sci. 2010;339(2):108-116."},{"issue":"4","key":"b18","series-title":"Scand J Clin Lab Invest","first-page":"439","article-title":"Creatininium reference intervals for corrected methods","volume":"64","author":"Martensson\n A","year":"2004","unstructured":"Martensson\n A\n , RustadP, LundH, OssowickiH. Creatininium reference intervals for corrected methods. Scand J Clin Lab Invest. 2004;64(4):439-441."},{"issue":"6","key":"b19","series-title":"Ann Intern Med","first-page":"461","article-title":"A more accurate method to estimate glomerular filtration rate from serum creatinine: A new prediction equation. Modification of diet in Renal Disease Study Group","volume":"130","author":"Levey\n AS","year":"1999","unstructured":"Levey\n AS\n , BoschJP, LewisJB, GreeneT, RogersN, RothD. A more accurate method to estimate glomerular filtration rate from serum creatinine: A new prediction equation. Modification of diet in Renal Disease Study Group. Ann Intern Med. 1999;130(6):461-470."},{"issue":"9","key":"b20","series-title":"Ann Intern Med","first-page":"604","article-title":"A new equation to estimate glomerular filtration rate","volume":"150","author":"Levey\n AS","year":"2009","unstructured":"Levey\n AS\n , StevensLA, SchmidCH, et al.\n A new equation to estimate glomerular filtration rate. Ann Intern Med. 2009;150(9):604-612."},{"issue":"1","key":"b21","series-title":"N Engl J Med","first-page":"20","article-title":"Estimating glomerular filtration rate from serum creatinine and cystatin C","volume":"367","author":"Inker\n LA","year":"2012","unstructured":"Inker\n LA\n , SchmidCH, TighiouartH, et al.\n Estimating glomerular filtration rate from serum creatinine and cystatin C. N Engl J Med. 2012;367(1):20-29."},{"issue":"5","key":"b22","series-title":"Spinal Cord","first-page":"368","article-title":"50 years follow-up on plasma creatinine levels after spinal cord injury","volume":"52","author":"Elmelund\n M","year":"2014","unstructured":"Elmelund\n M\n , OturaiPS, Biering-SorensenF. 50 years follow-up on plasma creatinine levels after spinal cord injury. Spinal Cord. 2014;52(5):368-372."},{"issue":"10","key":"b23","series-title":"Spinal Cord","first-page":"524","article-title":"Serum cystatin C as a marker of the renal function in patients with spinal cord injury","volume":"40","author":"Thomassen\n SA","year":"2002","unstructured":"Thomassen\n SA\n , JohannesenIL, ErlandsenEJ, AbrahamsenJ, RandersE. Serum cystatin C as a marker of the renal function in patients with spinal cord injury. Spinal Cord. 2002;40(10):524-528."},{"issue":"12","key":"b24","series-title":"Spinal Cord","first-page":"1158","article-title":"Evaluation of methods to estimate glomerular filtration rate versus actual drug clearance in patients with chronic spinal cord injury","volume":"49","author":"Lee\n JP","year":"2011","unstructured":"Lee\n JP\n , DangAT. Evaluation of methods to estimate glomerular filtration rate versus actual drug clearance in patients with chronic spinal cord injury. Spinal Cord. 2011;49(12):1158-1163."},{"issue":"5","key":"b25","series-title":"Spinal Cord","first-page":"447","article-title":"Evaluating estimated glomerular filtration rates of creatinine and cystatin C for male patients with chronic spinal cord injury","volume":"56","author":"Goto\n T","year":"2018","unstructured":"Goto\n T\n , KawasakiY, TakemotoJ, AbeY, NamimaT. Evaluating estimated glomerular filtration rates of creatinine and cystatin C for male patients with chronic spinal cord injury. Spinal Cord. 2018;56(5):447-452."}],"container-title":["Topics in Spinal Cord Injury Rehabilitation"],"original-title":[],"link":[{"URL":"https:\/\/tscir.kglmeridian.com\/view\/journals\/tscr\/30\/4\/article-p57.xml","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/meridian.allenpress.com\/tscir\/article-pdf\/30\/4\/57\/3458015\/i1945-5763-30-4-57.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"syndication"},{"URL":"https:\/\/tscir.kglmeridian.com\/downloadpdf\/journals\/tscr\/30\/4\/article-p57.xml","content-type":"text\/html","content-version":"vor","intended-application":"syndication"},{"URL":"https:\/\/tscir.kglmeridian.com\/downloadpdf\/journals\/tscr\/30\/4\/article-p57.xml","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,2]],"date-time":"2026-04-02T15:51:06Z","timestamp":1775145066000},"score":1,"resource":{"primary":{"URL":"https:\/\/tscir.kglmeridian.com\/view\/journals\/tscr\/30\/4\/article-p57.xml"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2024,1]]},"references-count":50,"journal-issue":{"issue":"4"},"URL":"https:\/\/doi.org\/10.46292\/sci24-00001","relation":{},"ISSN":["1082-0744","1945-5763"],"issn-type":[{"value":"1082-0744","type":"print"},{"value":"1945-5763","type":"electronic"}],"subject":[],"published":{"date-parts":[[2024,1]]}}}